Segmented-centralized-type high-density electrical method measurement system and application thereof

Abstract

A segmented-centralized-type high-density electrical method measurement system and use thereof including a testing host, a plurality of electrode switching devices, a plurality of cables with taps, and a plurality of electrodes connected to the taps. By using this segmented-centralized-type high-density electrical measurement system, compared with a centralized-type high-density electrical measurement system, the required cable taps are less, the required cable weight is lower, not only resistivity test can be supported, but also induced polarization test, which is not supported by the centralized-type system, can be supported, the maximum transmitting current is larger, and rolling test can be supported; compared with a distributed-type high-density electrical measurement system, the cable diameter is smaller, the maximum transmitting current is larger, the cable weight is lighter, the cables are low-cost and durable, and because the cables can be replaced individually, their maintenance cost is low.

1 . A segmented-centralized-type high-density electrical method measurement system, characterized in comprising
 a testing host,   a plurality of electrode switching devices,   a plurality of cables with taps, and   a plurality of electrodes connected to the taps,   wherein, the testing host is connected in series to the electrode switching devices by means of the cables, and the electrode switching devices are connected to one another in series by means of the cables, the cables have a plurality of cable cores arranged therein, and the cable cores comprises a bus core and tapped cores connected to the taps.   
     
     
         2 . The segmented-centralized-type high-density electrical method measurement system in accordance with  claim 1 , characterized in that, the electrode switching device comprises a switching circuit and a control circuit, and the control circuit is adapted for performing communication and conducting power source management. 
     
     
         3 . The segmented-centralized-type high-density electrical method measurement system in accordance with  claim 1 , characterized in comprising 7-15 taps. 
     
     
         4 . The segmented-centralized-type high-density electrical method measurement system in accordance with  claims 1  and  3 , characterized in comprising 10-12 taps. 
     
     
         5 . The segmented-centralized-type high-density electrical method measurement system in accordance with  claim 1 , characterized in that, the bus core comprises a transmitting circuit, a receiving circuit, a communication control circuit, and/or a power supply circuit. 
     
     
         6 . The segmented-centralized-type high-density electrical method measurement system in accordance with  claims 1  and  2  and  5 , characterized in that, the communication control circuit is adapted for communicating with the testing host, receiving a command from the testing host and sending feedback status information, and driving the switching circuit to perform switching among the electrodes according to the command from the testing host. 
     
     
         7 . The segmented-centralized-type high-density electrical method measurement system in accordance with  claims 1  and  5 , characterized in that, the switching circuit connects the transmitting circuit and the receiving circuit, both of which are used for testing, to the tapped cores. 
     
     
         8 . A use of the segmented-centralized-type high-density electrical method measurement system in accordance with  claim 1  in induced polarization high-density test, characterized in that, the tapped core is cut into a first thread end at a front position and a second thread end at a rear position, the corresponding tap is cut to form a first signal contact point connected to the first thread end and a second signal contact point connected to the second thread end, another identical switching circuit is added into the electrode switching device, and the tapped core is switched to be connected to the transmitting circuit and the receiving circuit of the bus core by means of the electrode switching device. 
     
     
         9 . A use of the segmented-centralized-type high-density electrical method measurement system in accordance with  claim 1  in large current test, characterized in that, a part of reserved cores in the bus core are connected in parallel to form a transmitting circuit, thereby increasing large current capacity of the cables.